Home / 289,757,433.30-434,657,145.15-174,493,785.30

Finding the Fourth Proportional to 289,757,433.30, 434,657,145.15 and 174,493,785.30

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Solution

The fourth proportional to 289,757,433.30, 434,657,145.15 and 174,493,785.30 is: 261,753,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,757,433.30 : 434,657,145.15 = 174,493,785.30 : x
  2. Step 2: Convert to fraction form
    289,757,433.30/434,657,145.15 = 174,493,785.30/x
  3. Step 3: Cross multiply
    289,757,433.30x = 434,657,145.15 × 174,493,785.30
  4. Step 4: Simplify right side
    289,757,433.30x = 75,844,970,564,915,040
  5. Step 5: Solve for x
    x = 75,844,970,564,915,040/289,757,433.30
  6. Step 6: Final answer
    x = 261,753,321.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.